DellDell PowerEdge M610x Technical Guide 3112 Storage12.1 OverviewAll enterprise-class 2.5‖ storage drives sold by Dell are qualified, including those that offer SelfEncrypting Drive functionality as well as the 6 Gb SAS drives. All storage drives used with the PERCH700 must be purchased from Dell.12.2 Hard Disk Drive CarriersThe Dell™ PowerEdge™ M610x supports the 11G 2.5‖ hard drive carrier.Figure 3. 2.5” HDD Carrier12.3 Empty Drive BaysFor the slots that are not occupied by drives, a carrier blank is provided to maintain proper cooling,maintain a uniform appearance to the unit, and provide EMI shielding.12.4 Diskless Configuration SupportThe system supports diskless configuration with no storage controller (H200/PERC 7i) installed in thesystem. A 2.5‖ hard drive backplane is installed in this configuration.12.5 Hard Drive LED IndicatorsEach disk drive carrier has two LED indicators visible from the front of the system. One is a green LEDfor disk activity and the other is a bicolor (Green/Amber) LED for status information. The activityLED is driven by the disk drive during normal operation. The bicolor LED is controlled by the SEPdevice on the backplane. Both LEDs are used to indicate certain conditions under direction of astorage controller.12.6 Optical DrivesOptical drives are optional in all M610x systems and connect to the blade through the front USBinterface. The following internal slim-line drives are available on the M610x: DVD-ROM and DVD+RW.PATA (IDE) optical drives are not supported.